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Finding the Fourth Proportional to 32,838.68, 45,314.11 and 18,498.11

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Solution

The fourth proportional to 32,838.68, 45,314.11 and 18,498.11 is: 25,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,838.68 : 45,314.11 = 18,498.11 : x
  2. Step 2: Convert to fraction form
    32,838.68/45,314.11 = 18,498.11/x
  3. Step 3: Cross multiply
    32,838.68x = 45,314.11 × 18,498.11
  4. Step 4: Simplify right side
    32,838.68x = 838,225,391.33
  5. Step 5: Solve for x
    x = 838,225,391.33/32,838.68
  6. Step 6: Final answer
    x = 25,525.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.